[Fwd: LF: HB9ASB Reception of G3WSC]
André Kesteloot
akestelo@bellatlantic.net
Tue, 18 Aug 1998 09:07:38 -0400
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DEREK ATTER wrote:
> The Loran pulse sideband noise was very strong yesterday from 05-3 UTC
> onwards until around 12-00 UTC and reached S6 to S7 on the S-meter (10 to
> 15 microvolts!! ). you would have been quite easily readable I am sure if
> it not been for the Loran QRM.
> [...]
> I am in the middle of testing a prototype of a fairly simple Loran
> synchronous pulse blanker which is looking very promising but it was not
> quite ready yesterday to take to the club station but possibly, who knows,
> it may help in making a successful 2-way QSO between us in the near future.
> I have not yet been able to test it early in the morning when the pulse
> sideband noise it at its worst.
>
> You may be interested Toni to know that we have just opened a web site
> giving some information and pictures of the Crawley clubhouse, shack and
> antennas etc. The site is at :
http://www.btinternet.com/~raheesom/carc/index.htm
>
>
> 73 de Derek, G3GRO
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Date: Mon, 17 Aug 1998 15:37:54 -0400
From: DEREK ATTER <DATTER@compuserve.com>
Subject: LF: HB9ASB Reception of G3WSC
To: "INTERNET:rsgb_lf_group@blacksheep.org" <rsgb_lf_group@blacksheep.org>
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Hello Toni, (HB9ASB)
Many thanks for trying so hard to make a QSO yesterday, Sunday 16 August
with G3WSC the Crawley Club station on 136.1Khz operated by myself and
Lech, G3KAU. It was very frustrating because each time we called CQ, we
could hear a station calling underneath the Loran QRM and we could actual=
ly
resolve our own callsign wih great difficulty occasionally, but we just
could not read you despite having a reasonably good receiver (FT990) with=
a
250Hz BW IF filter and audio DSP processing down to around 100Hz or less =
at
times trying various combinations of bandwidth to see if we could resolve=
the callsign. We suspected that it was you calling of course and that=
was confirmed later by John, G4GVC and by your report via Internet. =
The Loran pulse sideband noise was very strong yesterday from 05-3 UTC
onwards until around 12-00 UTC and reached S6 to S7 on the S-meter (10 to=
15 microvolts!! ). you would have been quite easily readable I am sure i=
f
it not been for the Loran QRM.
The morning was not entirely wasted because we had several good QSOs
including one with Gaspard, ON4ZK at 07-28 UTC which we believe to be th=
e
first ON/G 2-way QSO using aural CW on 136Khz.
I am in the middle of testing a prototype of a fairly simple Loran
synchronous pulse blanker which is looking very promising but it was not
quite ready yesterday to take to the club station but possibly, who know=
s,
it may help in making a successful 2-way QSO between us in the near futur=
e.
I have not yet been able to test it early in the morning when the pulse
sideband noise it at its worst.
You may be interested Toni to know that we have just opened a web site
giving some information and pictures of the Crawley clubhouse, shack and
antennas etc. The site is at :
< http://www.bt.internet.com/~raheesom/carc/index.htm>
73 de Derek, G3GRO
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